fix typo of help information of mpm check-compatibility

[geometryolife]

Pull request type

Please check the type of change your PR introduces:

• Bugfix
• Feature
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no api changes)
• Build related changes
• Documentation content changes
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[codecov]

Codecov Report

Merging #3387 (ccd9ab7) into master (bb883ab) will decrease coverage by 0.30%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #3387      +/-   ##
==========================================
- Coverage   32.23%   31.93%   -0.29%     
==========================================
  Files         500      500              
  Lines       46815    46815              
  Branches    21314    21314              
==========================================
- Hits        15084    14948     -136     
+ Misses      17695    17598      -97     
- Partials    14036    14269     +233     

Flag	Coverage Δ
unittests	31.93% <ø> (-0.29%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
rpc/server/src/module/mod.rs	0.00% <0.00%> (-16.66%)	⬇️
vm/natives/src/vector.rs	12.50% <0.00%> (-12.50%)	⬇️
vm/natives/src/account.rs	18.75% <0.00%> (-12.50%)	⬇️
vm/types/src/on_chain_config/mod.rs	43.84% <0.00%> (-12.32%)	⬇️
vm/types/src/transaction/error.rs	3.58% <0.00%> (-10.71%)	⬇️
chain/open-block/src/lib.rs	31.79% <0.00%> (-9.93%)	⬇️
chain/src/verifier/mod.rs	36.72% <0.00%> (-6.25%)	⬇️
commons/accumulator/src/tree.rs	50.25% <0.00%> (-5.41%)	⬇️
cmd/starcoin/src/cli_state.rs	48.79% <0.00%> (-4.87%)	⬇️
consensus/src/consensus.rs	58.74% <0.00%> (-4.76%)	⬇️
... and 72 more

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